public async Task Invoke(HttpContext context)
{
if (!(await _redisCache.ProcessCachedResponsePossibility(context)))
{
var targetUri = BuildTargetUri(context.Request);
if (targetUri != null)
{
var targetRequestMessage = CreateTargetMessage(context, targetUri);
using (var responseMessage = await _httpClient.SendAsync(targetRequestMessage, HttpCompletionOption.ResponseHeadersRead, context.RequestAborted))
{
var statusCode = (int)responseMessage.StatusCode;
context.Response.StatusCode = statusCode;
CopyFromTargetResponseHeaders(context, responseMessage);
if (isGetRequest(context) && statusCode >= 200 && statusCode <= 299)
{
StringValues type;
if (context.Request.Headers.TryGetValue("Accept", out type))
{
var key = context.Request.Path + type.First();
var content = await responseMessage.Content.ReadAsByteArrayAsync();
await _redisCache.WriteToCache(key, content);
}
}
_loadBalancer.DecrementRequestCount(targetUri.OriginalString
.Substring(0, targetUri.OriginalString.IndexOf("/api/")));
await ProcessResponseContent(context, responseMessage);
}
return;
}
await _nextMiddleware(context);
}
}
